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in which a baseband signal showing more than two values or a continuously varying baseband signal is transmitted or recorded
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H04N1/4135
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H
ELECTRICITY
H04
Electric communication
H04N
PICTORIAL COMMUNICATION
H04N1/00
Scanning, transmission or reproduction of documents or the like
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H04N1/4135
in which a baseband signal showing more than two values or a continuously varying baseband signal is transmitted or recorded
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Patents Grants
last 30 patents
Information
Patent Grant
GII/GIII transmission system
Patent number
4,686,578
Issue date
Aug 11, 1987
International Business Machines Corporation
Hideo Asano
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Information forming apparatus
Patent number
4,366,505
Issue date
Dec 28, 1982
Canon Kabushiki Kaisha
Shin Tsuda
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
High efficiency facsimile transmission system
Patent number
4,225,888
Issue date
Sep 30, 1980
Oki Electric Industry Co., Ltd.
Shoichiro Takayama
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Facsimile compression system
Patent number
4,186,415
Issue date
Jan 29, 1980
Oki Electric Industry Co., Ltd.
Shoichiro Takayama
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Run length encoding and decoding methods and means
Patent number
4,096,520
Issue date
Jun 20, 1978
Xerox Corporation
Eiichiro Furuta
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Run length encoding and decoding methods and means
Patent number
4,096,526
Issue date
Jun 20, 1978
Xerox Corporation
Eiichiro Furuta
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Run length encoding and decoding methods and means
Patent number
4,096,527
Issue date
Jun 20, 1978
Xerox Corporation
Eiichiro Furuta
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Run length encoding and decoding methods and means
Patent number
4,056,828
Issue date
Nov 1, 1977
Xerox Corporation
Eiichiro Furuta
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Data compression
Patent number
3,993,862
Issue date
Nov 23, 1976
Lawrence Karr
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Two-level picture signal transmission system
Patent number
3,973,079
Issue date
Aug 3, 1976
Hitachi, Ltd.
Takahiko Fukinuki
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
3920898
Patent number
3,920,898
Issue date
Nov 18, 1975
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
3919476
Patent number
3,919,476
Issue date
Nov 11, 1975
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
3906154
Patent number
3,906,154
Issue date
Sep 16, 1975
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
3876825
Patent number
3,876,825
Issue date
Apr 8, 1975
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
3876944
Patent number
3,876,944
Issue date
Apr 8, 1975
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
3849595
Patent number
3,849,595
Issue date
Nov 19, 1974
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
3847732
Patent number
3,847,732
Issue date
Nov 12, 1974
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
3651251
Patent number
3,651,251
Issue date
Mar 21, 1972
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
3649751
Patent number
3,649,751
Issue date
Mar 14, 1972
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
3647957
Patent number
3,647,957
Issue date
Mar 7, 1972
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
3588330
Patent number
3,588,330
Issue date
Jun 28, 1971
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
3585504
Patent number
3,585,504
Issue date
Jun 15, 1971
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
3585586
Patent number
3,585,586
Issue date
Jun 15, 1971
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
3569615
Patent number
3,569,615
Issue date
Mar 9, 1971
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
3538246
Patent number
3,538,246
Issue date
Nov 3, 1970
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
3530385
Patent number
3,530,385
Issue date
Sep 22, 1970
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
3517117
Patent number
3,517,117
Issue date
Jun 23, 1970
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
3502815
Patent number
3,502,815
Issue date
Mar 24, 1970
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
3495032
Patent number
3,495,032
Issue date
Feb 10, 1970
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
3474191
Patent number
3,474,191
Issue date
Oct 21, 1969
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents